89322397 has 2 divisors, whose sum is σ = 89322398. Its totient is φ = 89322396.

The previous prime is 89322391. The next prime is 89322449. The reversal of 89322397 is 79322398.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89226916 + 95481 = 9446^2 + 309^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89322397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89322391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44661198 + 44661199.

It is an arithmetic number, because the mean of its divisors is an integer number (44661199).

Almost surely, 2^89322397 is an apocalyptic number.

It is an amenable number.

89322397 is a deficient number, since it is larger than the sum of its proper divisors (1).

89322397 is an equidigital number, since it uses as much as digits as its factorization.

89322397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 43.

The square root of 89322397 is about 9451.0526926898. The cubic root of 89322397 is about 447.0129686759.

Subtracting from 89322397 its reverse (79322398), we obtain a palindrome (9999999).

The spelling of 89322397 in words is "eighty-nine million, three hundred twenty-two thousand, three hundred ninety-seven".